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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A360502 Concatenate the ternary strings for 1,2,...,n.

Table of values

n a(n)
1 1
2 12
3 1210
4 121011
5 12101112
6 1210111220
7 121011122021
8 12101112202122
9 12101112202122100
10 12101112202122100101
11 12101112202122100101102
12 12101112202122100101102110
13 12101112202122100101102110111
14 12101112202122100101102110111112
15 12101112202122100101102110111112120

List of values

[1, 12, 1210, 121011, 12101112, 1210111220, 121011122021, 12101112202122, 12101112202122100, 12101112202122100101, 12101112202122100101102, 12101112202122100101102110, 12101112202122100101102110111, 12101112202122100101102110111112, 12101112202122100101102110111112120]

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